Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2010, Vol. 33 ›› Issue (1): 27-32.doi: 10.13190/jbupt.201001.27.liaoy

• Papers • Previous Articles     Next Articles

A Network Coding Scheme in Wireless Mesh Networks

LIAO Yong;YANG Shi-zhong   

  1. (Center of Communication and Tracking Telemetering Command, Chongqing University, Chongqing 400044,China)
  • Received:2009-05-15 Revised:2009-09-11 Online:2010-02-28 Published:2010-02-28
  • Contact: LIAO Yong

Abstract:

A wireless mesh transport control protocol (TCP) network coding scheme based on rate-matching receiver is proposed. A network coding(NC) layer to code transport control protocol data(TCP-DATA) and transport control protocol ack(TCP-ACK) on mesh connectivity layer (MCL) is constructed, and modified distribution coordination function request to send/clear to send (DCF RTS/CTS) mechanism to match data rate in the receiver is adopted. Actually a real 3 hops wireless mesh linear network has been constructed, capturing the TCP network coding data based on the proposed scheme, therefore, it is concluded that the TCP throughput of the end-to-end system is approximately 20% higher than non
-NC scheme.

Key words: rate-matching receiver, transport control protocols, network coding, wireless networks

CLC Number: